No it's not normal: It's a immune or allergic reaction to an insect bite, which needs to be evaluated asap, since he is exhausted . Must seek treatment, .
Answered 7/27/2014
5k views
Agree w Dr.: Poochikian. This is not normal & warrants medical care. The bite of the black fly can cause itching & marked local swelling which may continue for weeks. Allergic reactions can also occur. With heavy biting Black Fly Fever can occur with symptoms to include fever, headache, nausea & swollen lymph nodes. Secondary infection may occur.
Answered 5/7/2018
3.8k views
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